PLUNGER ASSEM. (For Japan) 5A7335 - Caterpillar

Table 2
Changes To The Air Inlet Heater Arrangement For 320B And 320C Excavators    
Qty    New Part Number    Description    Former Part Number    
1     197-4330     Air Controller     104-3204    
1     168-5057     Air Inlet Heater     5I-7746    
1     197-4436     Starting Aid Harness As     -    
Changes To The Air Inlet Heater Arrangement For 322B, 325B, and M325B Excavators    
1     197-4330     Air Controller     104-3204    
Illustration 1 g00791997
Typical View of the Control Panel Without the Panel Door (A) 197-4330 Air Controller (B) Safety Device for the Starting Aid Relay (C) 12-pin Connector (D) 306-Green Wire (E) 3S-2093 Cable Strap (F) Wiring Harness Assembly (G) Electrical Connector for the AIH Electrical Control
Illustration 2 g00792610
View A-A from Illustration 1 (B) Safety Device for the Starting Aid RelayProcedure For the Installation of the New 197-4330 Air Controller in 320B and 320C Excavators
Table 3
Required Parts For 320B And 320C Excavators    
Qty    Part Number    Description    
1
1
1
6     197-4330
168-5057
197-4436
3S-2093     Air Controller
Air Inlet Heater
Starting Aid Harness As
Cable Strap    
Procure the parts that are listed in Table 3. The locations of the components are shown in Illustration 1 and Illustration 4.
Disassemble connector (G) from the 104-3204 Air Controller .
Remove the former 104-3204 Air Controller from the control panel.
Install the new 197-4330 Air Controller in place of the former electronic controller.
Illustration 3 g00793392
Wiring Schematic For The AIH
Assemble connector (G) to the new 197-4436 Starting Aid Harness As. Refer to the wiring schematic that is shown in Illustration 3.
Install the wire harness with connector (G) to the new controller.
Disassemble connector (B) from the former wire harness.
Assemble connector (B) to the new 197-4436 Starting Aid Harness As .
Install the wire harness with connector (B) to the safety device for the air heater relay.
Install the wire harness at the 12-pin connector (C) .
Install the 306-Green Wire into pin location 5 of the 12-pin connector (C) .
Secure the new wire harness with the new cable straps (E) .
Illustration 4 g00797601
Location of the Air Inlet Heater (J) 168-5057 Air Inlet Heater
Remove the former 5I-7746 Heater As from the air intake manifold. The location of the air inlet heater is shown in Illustration 4. Install the new 168-5057 Air Inlet Heater .Procedure For the Installation of the New 197-4330 Air Controller in 322B, 322B L, 325B, 325B L, and M325B Excavators
Procure a 197-4330 Air Controller. The location of the electronic controller is shown in Illustration 1.
Disassemble wire harness connector (G) from the 104-3204 Air Controller .
Remove the electronic controller from the control panel.
Install the new 197-4330 Air Controller in place of the former electronic controller.
Assemble the wire harness connector to the new electronic controller.